standard propagation

The Runge Kutta interative algorithm is used to solve the standard propagation equations of fiber Raman amplifiers ( FRAs).

提出了一种直接用龙格库塔迭代算法全面求解光纤拉曼放大器传输方程的方法。

The time sequence analysis was used to distinguish the different development phases of the Beijing real estate market from 1992 to 2003. A real estate market cycle identification model was developed by the distinguished results and an improved standard error back propagation artificial neural network.

利用时间序列分析对1992&2003年的北京房地产市场周期发展阶段进行判别研究，并将该判别结果作为训练样本，利用局部改进的标准BP人工神经网络构建了房地产周期识别模型。

Based on idea of standard back-propagation ( BP ) learning algorithm, an improved BP learning algorithm is presented.

在标准反向传播 神经 网络算法的基础上, 提出了一种改进的反向传播神经网络算法.

The standard artificial neural networks have inherent disadvantages. To overcome these disadvantages, an evolved Back Propagation ( BP) algorithm is developed by combination of additional inertia and self-adaptation of learning velocity.

为了克服标准误差反传（Back Propagation，BP）算法的缺陷，提出了一种附加动量项和自适应学习速率相结合的改进的BP算法。

CONCLUSIONS In order to well develop the HIA in medico-technical departments, we should enhance propagation and education, pursue standard precautions, strengthen dynamics of rewards and punishment, and make a thorough investigation and study on HIA.

结论为更好地开展医技科室的医院感染管理工作，应加强宣传教育、推行标准预防、加强监控奖惩力度并深入开展医技科室医院感染管理的研究。

Standard Methods of Fire Tests for Flame Propagation of Textiles and Films.

s厂房建设和社团的消防安全标准.

Propagation delay observations of BPM standard time signal with a continuous display system

BPM时号传播时延的连续观测与研究

Continous observations of the propagation delay variation of BPM standard time signal were carried out in real time at Wuhan Ionospheric Observatory by a digital display system.

利用新研制的短波传播时延实时数字显示系统，在武汉电离层观象台对BPM时号的传播时延进行了长时间连续观测。

On the base of analysis of the standard back propagation algorithm, a BP improving algorithm which adjusts the error signal function and method of training is proposed. This improving algorithm has the advantages of slightly modify and easy implement.

在此基础上，提出了一种针对误差信号函数和学习规则进行改进的BP改进算法，该改进算法具有改动幅度小，实现相对容易的特点。